Proceedings of ... Conference on Coastal Engineering最新文献

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ANALYTICAL STUDY ON EFFECTS OF TIDE ON STORM SURGE DEVIATIONS 潮汐对风暴潮偏差影响的分析研究
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-10-02 DOI: 10.9753/icce.v37.management.8
Ide Yoshihiko, Yamashiro Masaru, Hashimoto Noriaki, Kodama Mitsuyoshi, Sugimura Yoshihisa
{"title":"ANALYTICAL STUDY ON EFFECTS OF TIDE ON STORM SURGE DEVIATIONS","authors":"Ide Yoshihiko, Yamashiro Masaru, Hashimoto Noriaki, Kodama Mitsuyoshi, Sugimura Yoshihisa","doi":"10.9753/icce.v37.management.8","DOIUrl":"https://doi.org/10.9753/icce.v37.management.8","url":null,"abstract":"Elucidating the mechanism of storm surge generation and gaining new knowledge is important for the advancement of numerical simulations and the consideration of disaster prevention measures. Previous studies have shown that even when the external forces (wind and pressure) of a typhoon are the same, the storm surge deviations generated change when the tidal phase at the time the typhoon strikes is different. This is because the difference in the tidal phase causes a change in water depth. In this study, we quantitatively examined the change in storm surge deviation with water depth and derived an analytical solution that is more accurate than the conventional equation. Subsequently, parameters indicating the effect of changes in water depth on storm surge deviation were derived, and the characteristics of major bays in Japan were examined using these parameters.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135829043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ONE DAY AHEAD WAVE PREDICTIONS USING A HYBRID ALGORITHM OF LONG-SHORT TERM MEMORY AND NEURAL NETWORK FOR MARINE CONSTRUCTIONS 基于长短期记忆与神经网络的海洋建筑前一日海浪预测
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-10-02 DOI: 10.9753/icce.v37.waves.26
Sooyoul Kim, Masahide Takeda, Chisato Hara, Hajime Mase
{"title":"ONE DAY AHEAD WAVE PREDICTIONS USING A HYBRID ALGORITHM OF LONG-SHORT TERM MEMORY AND NEURAL NETWORK FOR MARINE CONSTRUCTIONS","authors":"Sooyoul Kim, Masahide Takeda, Chisato Hara, Hajime Mase","doi":"10.9753/icce.v37.waves.26","DOIUrl":"https://doi.org/10.9753/icce.v37.waves.26","url":null,"abstract":"Recently, marine construction work has increased under complex and strict conditions for large-scale marine sites and facilities. Accurate wave information at the work site is critical to conducting the marine construction safely. In particular, making decisions for the execution of the operation need a significant wave height ranging from 0.5 to 1.0 m as a threshold. However, studies on highly accurate real-time wave height predictions around the threshold are few. The present study developed a hybrid algorithm for real-time wave prediction by combining long-short term memory (LSTM) and artificial neural network (ANN) for the Hitachinaka Port, Japan.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135829364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MONITORING OF THE PALM BEACH ARTIFICIAL REEF 棕榈滩人工礁的监测
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-10-02 DOI: 10.9753/icce.v37.structures.65
Paul Prenzler, Shannon Hunt, Zoe Elliott-Perkins, Dan Hamilton, Dan Messiter, Courtney Wharton, Evan Watterson
{"title":"MONITORING OF THE PALM BEACH ARTIFICIAL REEF","authors":"Paul Prenzler, Shannon Hunt, Zoe Elliott-Perkins, Dan Hamilton, Dan Messiter, Courtney Wharton, Evan Watterson","doi":"10.9753/icce.v37.structures.65","DOIUrl":"https://doi.org/10.9753/icce.v37.structures.65","url":null,"abstract":"Palm Beach is located on the Gold Coast, Queensland, Australia. Infrastructure along Palm Beach is exposed to high coastal hazard risks. The City of Gold Coast (City) delivered the Palm Beach Shoreline Project (PBSP) in 2019, involving beach nourishment stabilised by an artificial reef, as a sustainable solution to coastal hazards threats and provide improved surfing amenity. This Paper presents the results of post-construction monitoring of the PBSP, assessing the project benefits against the project objectives.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135829623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
FIELD OBSERVATIONS OF SEDIMENT PARTICLE MOVEMENTS IN THE SWASH ZONE USING FLUORESCENT SAND 利用荧光沙对冲积带沉积物颗粒运动的实地观察
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-10-02 DOI: 10.9753/icce.v37.sediment.7
Takayuki Suzuki, Tomoki Hayashi, Mustarakh Gelfi
{"title":"FIELD OBSERVATIONS OF SEDIMENT PARTICLE MOVEMENTS IN THE SWASH ZONE USING FLUORESCENT SAND","authors":"Takayuki Suzuki, Tomoki Hayashi, Mustarakh Gelfi","doi":"10.9753/icce.v37.sediment.7","DOIUrl":"https://doi.org/10.9753/icce.v37.sediment.7","url":null,"abstract":"Many studies have been conducted to investigate sediment transport mechanisms in and out of surf zones. However, detailed studies on sediment transport dynamics that track the movement of each sediment particle in the swash zone are limited. In this study, fluorescent sand tracers were introduced into the surf and swash zones, and sand in the swash zone was sampled every few hours. In addition, the currents and wave heights were observed to investigate the sediment movement dynamics in the swash zone.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135828791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
COMPUTER SIMULATION OF WAVE OVERTOPPING RATE ON VERTICAL WALL BY BOUSSINESQ WAVE MODEL 用boussinesq波浪模型模拟垂直壁面波浪过顶率
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-10-02 DOI: 10.9753/icce.v37.structures.55
Moon Su Kwak, Nobuhisa Kobayashi
{"title":"COMPUTER SIMULATION OF WAVE OVERTOPPING RATE ON VERTICAL WALL BY BOUSSINESQ WAVE MODEL","authors":"Moon Su Kwak, Nobuhisa Kobayashi","doi":"10.9753/icce.v37.structures.55","DOIUrl":"https://doi.org/10.9753/icce.v37.structures.55","url":null,"abstract":"Recently, Boussinesq equation models have been used in research on wave overtopping. The advantage of this model is that compared to the NLSW model or the NS model, it is possible to simulate a wider wave field to the intermediate water depth. This model can set offshore boundary conditions further away from the structure, so that the start of the wave breaking can be figured out and the wave propagation from the foreshore can be well reproduced. When waves propagate to the shallow water, the nonlinearity of the waves is increasing as the ratio of amplitude and water depth increases. In order to simulate the wave transformation in shallow water, a strong nonlinear wave model is required. In addition, the 2D wave model capable of simulation of wave field in a wide area is needed for study of the countermeasures of wave overtopping. In this study, a computer simulation model capable of calculating the wave overtopping rate in a horizontal wave field was established by adding a subroutine to the FUNWAVE-TVD model, a fully nonlinear Bussinesq wave model. The subroutine was composed by coding the wave overtopping rate equations of EurOtop (2018) and Goda (2009)'s empirical formulas obtained from many experimental and field observations. The verification of the model was carried out by comparing the computer simulation results of the wave overtopping rate of irregular waves on the vertical wall with new experiment results in Korea. Froude similitude with a length scale of 1/36(model/prototype) is assumed in the following prototype computations.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"231 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135828829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
THE EFFECT OF REEF GEOMETRY ON BREAKING WAVE SHAPE. COMPUTATIONAL AND FIELD DATA COMPARATIVE STUDY 礁石几何形状对破浪形状的影响。计算和现场数据比较研究
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-10-02 DOI: 10.9753/icce.v37.waves.28
Adam Fincham, Michal Pieszka
{"title":"THE EFFECT OF REEF GEOMETRY ON BREAKING WAVE SHAPE. COMPUTATIONAL AND FIELD DATA COMPARATIVE STUDY","authors":"Adam Fincham, Michal Pieszka","doi":"10.9753/icce.v37.waves.28","DOIUrl":"https://doi.org/10.9753/icce.v37.waves.28","url":null,"abstract":"Detailed investigation, accurate Computational Fluid Dynamics (CFD) modeling and understanding of surf-zone processes are essential for recreating world-class surfing wave conditions. Parametric studies of different reef shapes have been carried out to analyze the effects on the barrel vortex ratio for a solitary-type wave. The computational models are based on the Volume of Fluid (VOF) method and are compared against field data from the WSL Surf Ranch facility in Lemoore, CA. Results from these studies highlight the importance of reef shape and have implications to the quality of surfing experiences in both coastal regions and artificial wave environments.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135829350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
TOPOGRAPHIC OBSERVATION OF THE TIDAL FLAT AT THE MOUTH OF THE SHIRAKAWA RIVER DURING THE PASSAGE OF TYPHOON NO.9 AND NO.10 USING OPTICAL FIBERS 9号和10号台风通过期间白川河口潮滩的光纤地形观测
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-10-02 DOI: 10.9753/icce.v37.sediment.9
Takashi Yamano, Gozo Tsujimoto, Takaomi Hokamura, Sooyoul Kim, Daiki Sakai
{"title":"TOPOGRAPHIC OBSERVATION OF THE TIDAL FLAT AT THE MOUTH OF THE SHIRAKAWA RIVER DURING THE PASSAGE OF TYPHOON NO.9 AND NO.10 USING OPTICAL FIBERS","authors":"Takashi Yamano, Gozo Tsujimoto, Takaomi Hokamura, Sooyoul Kim, Daiki Sakai","doi":"10.9753/icce.v37.sediment.9","DOIUrl":"https://doi.org/10.9753/icce.v37.sediment.9","url":null,"abstract":"The authors developed a new method for long-term and high frequency measurement of tidal flat using optical fibers and conducted continuous observation from October 2019 and March 2020, confirming the validity of the optical fiber observations. In September 2020, typhoons No.9 and No.10 approached the observation site. Typhoon No.10 was said to be one of the largest and strongest typhoons on record, and an emergency warning was launched. In this study we focused on the periods before and after these typhoons to clarity the validity of this observation method and the tidal flat topographic response during typhoon.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135829358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MULTI-OBJECTIVE OPTIMISATION AND COASTAL IMPACT ASSESSMENTS OF WAVE FARMS 波浪场的多目标优化及海岸影响评估
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-10-02 DOI: 10.9753/icce.v37.structures.93
Daniel R. David, Jeff Hansen, Ryan Lowe, Adi Kurniawan, Hugh Wolgamot, Dirk Rijnsdorp
{"title":"MULTI-OBJECTIVE OPTIMISATION AND COASTAL IMPACT ASSESSMENTS OF WAVE FARMS","authors":"Daniel R. David, Jeff Hansen, Ryan Lowe, Adi Kurniawan, Hugh Wolgamot, Dirk Rijnsdorp","doi":"10.9753/icce.v37.structures.93","DOIUrl":"https://doi.org/10.9753/icce.v37.structures.93","url":null,"abstract":"To add to the global renewable energy mix, ocean waves are a consilient and energy-dense untapped resource. However, to generate power on a commercial scale, wave energy converters (WECs) will need to be deployed in arrays or “wave farms”. When deployed as a farm, WECs interact with each other hydrodynamically through the radiated and/or scattered waves. These interactions can either enhance or diminish the overall performance of the system commonly referred to as the “interaction factor (q)” or “park effect”. Thus it is crucial to understand these array interactions to minimize destructive effects. Furthermore, wave farms deployed nearshore have the potential to modify the downstream hydrodynamics and may alter the nearshore circulation patterns due to the attenuation of the wave field. Such changes to the nearshore hydrodynamics may in turn alter sediment transport pathways and could lead to erosion and/or accretion of beaches. This implies that for a commercialscale deployment, understanding how the array interacts with the incident wave field is critical for both understanding power production (and the levelized cost of energy) and potential downstream impacts. The overarching aim of this work is to advance the wave energy industry towards commercial-scale deployment by leading to more efficient/optimal designs (with reduced levelized cost).","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135828823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CASE STUDY - WYE RIVER, VIC GEOCONTAINER SHORT TERM PORTECTION WORKS 个案研究-怀伊河、维港土工货柜短期保护工程
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-10-02 DOI: 10.9753/icce.v37.structures.60
Oliver Nickson
{"title":"CASE STUDY - WYE RIVER, VIC GEOCONTAINER SHORT TERM PORTECTION WORKS","authors":"Oliver Nickson","doi":"10.9753/icce.v37.structures.60","DOIUrl":"https://doi.org/10.9753/icce.v37.structures.60","url":null,"abstract":"Between winter 2019 and 2021 riverine and coastal erosion collectively caused 14.8m of landward recession of the Wye River foreshore in Victoria. The resulting reduction in sand dune buffer from 25m to 10m in front of the Wye River Surf Life Saving Club (WRSLSC) significantly increased the buildings vulnerability to erosion. Sand nourishment was used as a ‘low impact and nature based’ first attempt management option however this proved ineffective due to the significance of the riverine erosion component. A shift in management approach to the emergency installation of a 0.75m3 geo-container seawall and three groynes had an immediate influence by diverting the river away from the WRSLSC and halting further erosion. A significant quantity of sand has been deposited within the groyne compartments in the 9 months following their installation.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135828263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ANALYSIS OF STORM SURGE CHARACTERISTICS BASED ON TYPHOON PROPERTIES 基于台风性质的风暴潮特征分析
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-10-02 DOI: 10.9753/icce.v37.management.108
Jung-A Yang, Nobuhito Mori
{"title":"ANALYSIS OF STORM SURGE CHARACTERISTICS BASED ON TYPHOON PROPERTIES","authors":"Jung-A Yang, Nobuhito Mori","doi":"10.9753/icce.v37.management.108","DOIUrl":"https://doi.org/10.9753/icce.v37.management.108","url":null,"abstract":"A storm surge is an abnormal sea level rise caused by low pressure and strong winds. About two-thirds of the world’s population live in coastal areas with high risk natural disasters, and among them, coastal flooding caused by storm surges caused the highest number of deaths. In particular countries located in the Northwest Pacific suffer various damages from storm surge every year due to the effects of typhoons that accompany low pressure and storm winds at the same time, and Korea is no exception. So an analysis of the characteristics of storm is important tasks in disaster mitigation in coastal areas. Two approaches are commonly used for storm surge studies: dynamical method and statistical method. The dynamical approach uses a numerical model, which has the advantage of being able to reproduce the complex physical processes of the ocean and simulating the propagation and influence of storm surges, and the disadvantage of being expensive and time-consuming for modeling. On the other hand, the statistical approach using a statistical model is reasonable in cost and time for modeling, but it is greatly affected by the reliability of the input data and has the disadvantage that it is suitable only for a specific single point.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"215 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135828271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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